How to Use antigen in a Sentence

antigen

noun
  • An antigen test is one type of test that can detect the virus.
    — Lisa Schencker, chicagotribune.com, 21 Sep. 2021
  • The first test used antigens that matched the type of cancer.
    — Hannah Millington, MSNBC Newsweek, 10 Oct. 2025
  • My guess is that the pathogen remains in the joints and sheds the antigen.
    — Linda Carroll, NBC News, 18 June 2019
  • But some nursing homes would like to use quicker antigen tests in their place.
    — Jackie Borchardt, The Enquirer, 27 Aug. 2020
  • Right now, the fastest and easiest tests to run are rapid antigen tests.
    — Theresa MacHemer, Smithsonian Magazine, 2 June 2021
  • And those are the exact people these antigen tests are designed to find.
    — Alice Park, Time, 27 Apr. 2021
  • For rapid antigen tests, serial testing is the name of the game.
    — Sumathi Reddy, WSJ, 29 Aug. 2022
  • The most common is an antigen test, which hunts for pieces of viral proteins.
    — Brianna Abbott, WSJ, 14 Jan. 2022
  • Other kits use antigen tests, which look for proteins on the surface of the virus.
    — Sarah Jacoby, SELF, 23 Dec. 2020
  • The feds will send eight rapid antigen tests to any address in the country that requests them.
    — oregonlive, 17 May 2022
  • Each blood type develops from the antigens that are present on the surface of red blood cells.
    — Patty Weasler, Verywell Health, 5 June 2025
  • People who use a rapid antigen test must take it within 24 hours of the event.
    — Christine Mai-Duc, WSJ, 13 Dec. 2021
  • The rapid antigen tests take about 30 minutes to give results.
    — Deidre McPhillips, CNN, 26 Sep. 2024
  • Some flu shots contain dead or weakened viruses as antigens.
    — Liz Szabo, NBC news, 25 Oct. 2025
  • Your blood type depends on whether certain antigens are present on the surface of your red blood cells.
    — Suchandrima Bhowmik, Health, 14 Nov. 2025
  • Rapid antigen tests are now one of the hottest commodities in town after they were all but sold out at stores.
    — David Pierson, New York Times, 13 Dec. 2022
  • Either an antigen test or a PCR test could be used at this point.
    — Katia Hetter, CNN, 8 Feb. 2023
  • One is the antigen, that part of the virus that spurs the immune system into action.
    — Popular Science, 9 Apr. 2020
  • The antigen test involves a nasal swab, and is based on the same technology as a flu test.
    — Olivia Raimonde, Bloomberg.com, 8 Sep. 2020
  • Dietary antigens can include high-protein foods, dairy, and gluten.
    — Carley Millhone, Health, 5 Oct. 2025
  • One way to do that is to repeat the antigen at-home tests to have more confidence in the result.
    — Alice Park, Time, 27 Apr. 2021
  • Celebrity will charge guests $178 per person for the antigen tests.
    — Alison Fox, Travel + Leisure, 23 June 2021
  • An antigen test, Campbell said, looks for the proteins that make up the virus coating.
    — Joshua Bote, USA TODAY, 8 Aug. 2020
  • For many leukemias and lymphomas, that’s an antigen named CD19.
    — Lauran Neergaard, The Seattle Times, 12 June 2017
  • Then the cells are infused back into the patient to turn the immune system against the antigen.
    — Brian Gormley, WSJ, 12 Sep. 2017
  • That portion of the spike protein is considered an antigen.
    — Beth Mole, ArsTechnica, 7 Aug. 2025
  • The antigen test is the third type of test to be authorized by the FDA.
    — Chronicle Staff, SFChronicle.com, 10 May 2020
  • The two main types of coronavirus tests are PCR and antigen tests.
    — Madison Yauger, Health.com, 24 Jan. 2022
  • The letters stand for different proteins (antigens) in the blood.
    — Alyssa Hui-Anderson, Verywell Health, 25 Sep. 2025
  • But again, the number of antigens in those shots is far lower than those in vaccines children received decades ago.
    — ArsTechnica, 24 Sep. 2025

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'antigen.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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